Herbs and Spices Might Contain Arsenic, Cadmium, and Lead
consumerreports.org
consumerreports.org
https://news.ycombinator.com/item?id=36481693 -- Turmeric’s unexpected link to lead poisoning in Bangladesh (9 months ago)
https://news.ycombinator.com/item?id=38139011 -- How to stop adulterated turmeric from killing people (5 months ago)
https://news.ycombinator.com/item?id=29375003 -- Herbs and Spices Might Contain Arsenic, Cadmium, and Lead (2021)
https://www.fda.gov/food/alerts-advisories-safety-informatio...
But also some plants tend to accumulate certain compounds. Possibly to 100...1000x the levels from the soil it grows in. Eg. rice is known to accumulate arsenic occuring in soils naturally. And some soils just happen to be rich in, or polluted with <insert undesired substance here>.
Farmers may not even know. Or care...
Is also normally unfalsifiable and cheaper, so there is less incentives into manipulating it.
It looks like they were looking at ground spices?